QB2430-70 - 70 Amp Circuit Breaker

QB2430-70 - 70 Amp Circuit Breaker

The QB2430-70 is a 70 amp, 3-pole circuit breaker designed to protect electrical systems from overloads and short circuits in 240 VAC applications. It’s commonly used as a direct replacement in existing panels where matching the original breaker’s fit and ratings is important. Built on the QB frame, this breaker installs using a bolt-on connection and is sized to work in standard panel configurations without modification. Electricians and maintenance teams rely on this type of breaker when keeping systems running safely without changing the layout of the panel.

Key Features and Benefits

• Dependable Protection: Provides dependable protection against overload and short-circuit conditions.
• 3-Pole Design: Supports multi-phase electrical systems.
• QB Frame: Helps ensure proper fit in compatible panels.
• Bolt-On Mounting: Delivers a solid, secure connection.
• Versatile Use: Suitable for residential, commercial, and light industrial use.

Technical Specifications

• Amperage: 70 Amp
• Poles: 3
• Voltage Rating: 240 VAC
• Interrupt Rating: 10 kA
• Frame Type: QB
• Mounting Style: Bolt-On
• Breaker Type: Molded Case Circuit Breaker
• Weight: 3.25 lbs
• Dimensions:
  • Width: 2.25 inches
  • Length: 4.81 inches
  • Depth: 2.50 inches

Material Compliance and Certifications

• Certifications: This breaker meets recognized industry safety and performance standards. It is UL and CSA certified, indicating it complies with commonly accepted requirements for circuit protection equipment used in electrical distribution systems.

Where It Works Best

• The QB2430-70 works well in applications that require a 70 amp, 3-pole circuit breaker with a QB frame. It’s often used when replacing an existing breaker in residential panels, commercial buildings, or light industrial equipment where compatibility and correct ratings matter more than added features.